/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import persistencia.ConnectionFactory;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author jose angel
 */
@WebServlet(name = "PruebaPool", urlPatterns = {"/PruebaPool"})
public class PruebaPool extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet PruebaPool</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet PruebaPool at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
             */
//            Context initContext = new InitialContext();
////        Context envContext = (Context) initContext.lookup("java:/comp/env/");
//            DataSource ds = (DataSource) initContext.lookup("java:/comp/env/jdbc/trainingswitz");
//            Connection conn = ds.getConnection();
//           Statement s=conn.createStatement();
//           
//           ResultSet r=s.executeQuery("select * from alumno");
//           
//           while(r.next()){
//               out.print(r.getString("nombre")+"<br/>");
//           }
           
           
        Connection conn = ConnectionFactory.getConnection();
        Statement t=conn.createStatement();
        ResultSet r=t.executeQuery("select * from alumno");
        out.println("Apellido Paterno");
       
        while(r.next())
            
             out.println(r.getString("<br/>"+"apellidoPaterno")+"<br/>");
//        ConnectionFactory.getConnection();


        } catch (SQLException e) {
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
